US Bridges

Overpass RD over S Pondera Coulee 014

FairPosted for load

Pondera County, Montana · 3M N Brady · Structure no. L37212003+04001

Built
1982
43 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Overpass RD over S Pondera Coulee 014 is a wood or timber stringer/multi-beam or girder carrying Overpass RD over S Pondera Coulee 014 in Pondera County, Montana. It was built in 1982, so it is 43 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesOverpass RD
CrossesS Pondera Coulee 014
Location3M N Brady
RouteCounty Highway 37212
StateMontana
Coordinates48.08037, -111.84286
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating14 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Overpass RD over S Pondera Coulee 014 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Overpass RD over S Pondera Coulee 014 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does Overpass RD over S Pondera Coulee 014 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Overpass RD over S Pondera Coulee 014?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns Overpass RD over S Pondera Coulee 014?

It is owned by the County Highway Agency.